package com.example.springboot_logback.controller;

import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import java.util.HashMap;
import java.util.Map;
//java获取os和浏览器相关信息
//    原文链接：https://blog.csdn.net/Third_Week/article/details/89553734
@RestController
public class osandliulanqi {
    @GetMapping("/hello1")
    public static Map<String, String> getOsAndBrowserInfo(HttpServletRequest request) {
        Map<String, String> map = new HashMap<>();
        String browserDetails = request.getHeader("User-Agent" );
        String userAgent = browserDetails;
        String user = userAgent.toLowerCase();

        String os = "";
        String browser = "";
        //=================OS Info=======================
        if (userAgent.toLowerCase().contains("windows" )) {
            os = "Windows";
        } else if (userAgent.toLowerCase().contains("mac" )) {
            os = "Mac";
        } else if (userAgent.toLowerCase().contains("x11" )) {
            os = "Unix";
        } else if (userAgent.toLowerCase().contains("android" )) {
            os = "Android";
        } else if (userAgent.toLowerCase().contains("iphone" )) {
            os = "IPhone";
        } else {
            os = "UnKnown, More-Info: " + userAgent;
        }
        //===============Browser===========================
        if (user.contains("edge" )) {
            browser = (userAgent.substring(userAgent.indexOf("Edge" )).split(" " )[0]).replace("/" , "-" );
        } else if (user.contains("msie" )) {
            String substring = userAgent.substring(userAgent.indexOf("MSIE" )).split(";" )[0];
            browser = substring.split(" " )[0].replace("MSIE" , "IE" ) + "-" + substring.split(" " )[1];
        } else if (user.contains("safari" ) && user.contains("version" )) {
            browser = (userAgent.substring(userAgent.indexOf("Safari" )).split(" " )[0]).split("/" )[0]
                    + "-" + (userAgent.substring(userAgent.indexOf("Version" )).split(" " )[0]).split("/" )[1];
        } else if (user.contains("opr" ) || user.contains("opera" )) {
            if (user.contains("opera" )) {
                browser = (userAgent.substring(userAgent.indexOf("Opera" )).split(" " )[0]).split("/" )[0]
                        + "-" + (userAgent.substring(userAgent.indexOf("Version" )).split(" " )[0]).split("/" )[1];
            } else if (user.contains("opr" )) {
                browser = ((userAgent.substring(userAgent.indexOf("OPR" )).split(" " )[0]).replace("/" , "-" ))
                        .replace("OPR" , "Opera" );
            }
        } else if (user.contains("chrome" )) {
            browser = (userAgent.substring(userAgent.indexOf("Chrome" )).split(" " )[0]).replace("/" , "-" );
        } else if ((user.contains("mozilla/7.0" )) || (user.contains("netscape6" )) ||
                (user.contains("mozilla/4.7" )) || (user.contains("mozilla/4.78" )) ||
                (user.contains("mozilla/4.08" )) || (user.contains("mozilla/3" ))) {
            browser = "Netscape-?";
        } else if (user.contains("firefox" )) {
            browser = (userAgent.substring(userAgent.indexOf("Firefox" )).split(" " )[0]).replace("/" , "-" );
        } else if (user.contains("rv" )) {
            String IEVersion = (userAgent.substring(userAgent.indexOf("rv" )).split(" " )[0]).replace("rv:" , "-" );
            browser = "IE" + IEVersion.substring(0, IEVersion.length() - 1);
        } else {
            browser = "UnKnown, More-Info: " + userAgent;
        }
        map.put("os" , os);
        map.put("browser" , browser);
        return map;
    }
}
